GHA fixes

.changeset/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

tsconfig.json

@@ -20,6 +20,6 @@
 		"useDefineForClassFields": true,
 		"useUnknownInCatchVariables": false
 	},
-	"include": ["src/**/*", "scripts/**/*"],
+	"include": ["src/**/*", "scripts/**/*", ".changeset/**/*"],
 	"exclude": ["node_modules", ".vscode-test", "webview-ui"]
 }